What color is #313F2A?

#313F2A is a dark, muted green. In RGB it is rgb(49, 63, 42), and in HSL hsl(100, 20%, 21%).

Is #313F2A accessible as text?

On white, #313F2A has a contrast ratio of 11.20:1 (passes WCAG AA for body text); on black it is 1.88:1 (fails). For text placed on #313F2A, use white for the best readability.

What is the closest Tailwind color to #313F2A?

The nearest Tailwind CSS token is taupe-700 (#473C39).

What colors go well with #313F2A?

#313F2A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #392B40. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #313F2A below.

Is #313F2A good for buttons?

#313F2A works well for buttons and highlights, but use white text on #313F2A — black text only reaches 1.88:1, below the 4.5:1 needed for normal-size labels.

Is #313F2A the same as CSS darkslategray?

No — #313F2A is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#313F2A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #313F2A

Not just a swatch — here's how #313F2A works with other colors. Named schemes with #313F2A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #313F2A Secondary #4E6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

Onyx leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #313F2A Secondary #764D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

Onyx plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Japanese Sand Base · 5 colors

Base #313F2A Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Onyx sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #313F2A Anchor #141210 Accent #C2A64B Secondary #252B21 Surface #F2EDE3

Onyx carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #313F2A Secondary #5D625A Support #999286 Ink #17140F

Onyx is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Onyx carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #313F2A actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 51/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 57/100

Moderate

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 15/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 37/100

Low

Workable accent with care around contrast.

Surface fit 50/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #313F2A

For UI

For branding

For interior

For fashion

People also use #313F2A with

Ebony Onyx Gunmetal Gray Platinum Army Green

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 11.2:1. Use

Subtle surface Use #D5DDD1 for cards and hover fills. Tint 80

Avoid beside #2B402B — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #313F2A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #313F2A;
  --color-base-rgb: 49 63 42;
  --color-base-oklch: oklch(34.9% 0.040 135.5);
  --color-50: #F7F9F6;
  --color-100: #E9EFE6;
  --color-200: #D3DECE;
  --color-300: #B3C5AB;
  --color-400: #93AA88;
  --color-500: #758C69;
  --color-600: #5D6D54;
  --color-700: #454F3F;
  --color-800: #2F352C;
  --color-900: #1E211C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F7F9F6',
    100: '#E9EFE6',
    200: '#D3DECE',
    300: '#B3C5AB',
    400: '#93AA88',
    500: '#758C69',
    600: '#5D6D54',
    700: '#454F3F',
    800: '#2F352C',
    900: '#1E211C',
  },
}

$base: #313F2A;
$base-ink: #FFFFFF;
$base-50: #F7F9F6;
$base-100: #E9EFE6;
$base-200: #D3DECE;
$base-300: #B3C5AB;
$base-400: #93AA88;
$base-500: #758C69;
$base-600: #5D6D54;
$base-700: #454F3F;
$base-800: #2F352C;
$base-900: #1E211C;
$base-hover: #283322;
$base-subtle: #C0CCB9;

{
    "color": {
        "base": {
            "value": "#313F2A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F9F6",
                "type": "color"
            },
            "100": {
                "value": "#E9EFE6",
                "type": "color"
            },
            "200": {
                "value": "#D3DECE",
                "type": "color"
            },
            "300": {
                "value": "#B3C5AB",
                "type": "color"
            },
            "400": {
                "value": "#93AA88",
                "type": "color"
            },
            "500": {
                "value": "#758C69",
                "type": "color"
            },
            "600": {
                "value": "#5D6D54",
                "type": "color"
            },
            "700": {
                "value": "#454F3F",
                "type": "color"
            },
            "800": {
                "value": "#2F352C",
                "type": "color"
            },
            "900": {
                "value": "#1E211C",
                "type": "color"
            }
        }
    }
}

Palettes built on #313F2A

Color Lab

Pairs with #313F2A

UI roles & guardrails

In real applications

Scales

Every model

Export